React Native Mobile Engineer - Performance & Frameworks

FanDuel; City of Edinburgh; On-site; GBP 45,000 - 75,000; Full time

Benefits offered by this job

Competitive compensation

Career development resources

Paid leave policies

Job summary

FanDuel is seeking a Software Engineer (React Native) to join our Sportsbook engineering team in the UK. You will work on the core React Native codebase, focusing on app launch performance, tooling, and framework improvements.

You will collaborate with cross-functional teams to deliver scalable, high-quality mobile features and participate in code reviews, on-call duties, and ongoing learning to grow your skills.

Qualifications

• 2–3 years of experience building mobile applications.
• Strong practical experience with React Native.
• Interest in performance optimization, tooling, and frameworks as well as app features.
• Native Android (Kotlin/Java) or iOS (Swift) experience is a plus.
• Familiarity with mobile app development best practices and testing approaches.
• Exposure to Agile development and collaborative team environments.
• Strong problem-solving skills with the ability to evaluate technical trade-offs with guidance.

Responsibilities

• Contributing to the core React Native codebase that underpins our Sportsbook application
• Working on app launch performance and broader performance improvements
• Building and maintaining frameworks, tooling, and shared components to support feature teams
• Collaborating with engineers across domains to solve cross-cutting technical challenges
• Implementing pragmatic solutions that balance performance, maintainability, and scalability
• Participate in code reviews, share knowledge, and contribute to continuous improvement initiatives
• Joining our on-call rota, sharing out of hours support duties as part of our incident response process

Skills

React Native

Mobile development

Performance optimization

Job description

FanDuel is seeking a Software Engineer (React Native) to join our Sportsbook engineering team in the UK. You will work on the core React Native codebase, focusing on app launch performance, tooling, and framework improvements.

You will collaborate with cross-functional teams to deliver scalable, high-quality mobile features and participate in code reviews, on-call duties, and ongoing learning to grow your skills.